/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtMultimedia module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QABSTRACTVIDEOBUFFER_H+
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#define QABSTRACTVIDEOBUFFER_H+
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+
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#include <QtCore/qmetatype.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Multimedia)+
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+
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class QVariant;+
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+
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class QAbstractVideoBufferPrivate;+
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+
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class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer+
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{+
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public:+
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    enum HandleType+
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    {+
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        NoHandle,+
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        GLTextureHandle,+
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        XvShmImageHandle,+
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        CoreImageHandle,+
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        QPixmapHandle,+
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        UserHandle = 1000+
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    };+
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+
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    enum MapMode+
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    {+
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        NotMapped = 0x00,+
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        ReadOnly  = 0x01,+
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        WriteOnly = 0x02,+
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        ReadWrite = ReadOnly | WriteOnly+
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    };+
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+
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    QAbstractVideoBuffer(HandleType type);+
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    virtual ~QAbstractVideoBuffer();+
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+
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    HandleType handleType() const;+
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+
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    virtual MapMode mapMode() const = 0;+
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+
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    virtual uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) = 0;+
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    virtual void unmap() = 0;+
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+
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    virtual QVariant handle() const;+
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+
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protected:+
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    QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type);+
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+
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    QAbstractVideoBufferPrivate *d_ptr;+
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+
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private:+
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    Q_DECLARE_PRIVATE(QAbstractVideoBuffer)+
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    Q_DISABLE_COPY(QAbstractVideoBuffer)+
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};+
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+
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QT_END_NAMESPACE+
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+
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Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType)+
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Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode)+
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+
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QT_END_HEADER+
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+
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#endif+
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